file extension .PTF support REQ

[Jini]

I have installed 4images on my new domain where i want to publish themes for video game consoles like psp and ps3 and for that i need to enable a file extension support for .ptf files which is used for themes. I am wondering if some one can guide me through on how to enable it. Help shall be highly appreciated.
Thanks

[mawenzi]

... FAQ -> How can I add more allowed file extensions? ...
... http://www.4homepages.de/forum/index.php?topic=7277.0 ...

[Jini]

i did everything but i dont know why the thumbnail is not showsing in details , i created ptf.html but i dont know ptf.html contains what codings , can you please help me that what codings i need for ptf.html, coz everything done , ptf file is uploading properly and thumbnails too, but thumbnail is not showsing in download page of ptf file

[mawenzi]

... you want to show the ptf-thumbnail or the ptf-icon in detail page ... ?